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The distance travelled by a falling body...

The distance travelled by a falling body in the last second of its motion, to that in the last but one second is 7:5, the velocity with which body strikes the ground is

A

`19.6m//s`

B

`39.2 m//s`

C

`29.4 m//s`

D

`49 m//s`

Text Solution

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The correct Answer is:
B
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